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<br />. <br /> <br />. <br /> <br />. <br /> <br />"" <br /> <br />"Oli~r <br />~ ; '.- <br /> <br />Economic and Financial Analyses <br /> <br />Lake storage of 35,400 acre-feet into the Narrows Reservoir for the <br />conversion of Jackson Lake to those purposes, it was necessary to <br />show recreation and fish and wildlife as a combined purpose in the <br />table. The total of $~.405,000 consists of costs of specific lands <br />and facilities of $3,059,000 and $346,000 separable costs in Narrows <br />Dam and Reservoir, representing the addition of 35,400 acre-feet <br />capacity. The transfer of Jackson Lake storage and conversion of <br />its use to recreation and fish and wildlife enhancement will result <br />in some additional direct irrigation benefits in the form of annual <br />OM&R cost savings. Those additional values, however, are offset by <br />the benefit value of water lost through greater evaporation from the <br />higher water surface in Narrows. As a result, the Jackson Lake <br />transfer creates no net additions to irrigation benefits, and the <br />separable cost of $346,000 is fully assignable to recreation and <br />local fish and wildlife enhancement. It is distributed to those <br />purposes in equal portions as shown in the segregation of separable <br />and remaining joint costs in table 30. <br /> <br />Allocation <br /> <br />Except for road relocation, project costs, interest during <br />construction, and OM&R costs are allocated concurrently by the <br />separable costs-remaining benefits method, using a laO-year period <br />of analysis with interest at 3-1/8 percent. The allocation is shown <br />in table 31. <br /> <br />Capitalized benefits, rather than alternative costs, determine <br />the ceilings for the allocations to all purposes and separable costs <br />set the floors for the allocations. The allocation of the remaining <br />joint costs allows each purpose to share equitably in carrying those <br />joint costs and in the savings arising from the effective combination <br />of the multiple purposes. However, the allocation to road relocation, <br />P. L. 87-874, is limited to the separable costs of reconstruction to <br />current standards over replacement in kind. <br /> <br />REPAYMENT ANALYSIS <br /> <br />Under Federal policy, the following allocated project costs are <br />nonreimbursable: (a) flood control, (b) national wildlife enhancement <br />(migratory waterfowl) (c) one-half of the separable costs and all of <br />the joint costs allocated to recreation and local fish and wildlife <br />enhancement, and (d) the separable or incremental costs associated <br /> <br />96 <br />